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  1. object Main extends App {
  2.   @scala.annotation.tailrec
  3.   def trimAnus(str: String): String = str.lastOption match {
  4.     case Some(' ') | Some('\t') ⇒
  5.       trimAnus(str.dropRight(1))
  6.  
  7.     case _ ⇒ 
  8.       str
  9.   }
  10.  
  11.   println(s"`${trimAnus("124325 345    \t")}`")
  12. }
Success #stdin #stdout 0.42s 322496KB
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Standard input is empty
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`124325 345`
https://ideone.com/3au0jo
language:
Scala (scala 2.12.8)
created:
8 years ago
visibility:
public

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